condition	mean	min	max
4 h after light	8.1	8.1	8.1
8 h after light	4.45	1.6	7.3
12 h after light	39.45	30.1	48.8
4 h after dark	5.65	3.9	7.4
8 h after dark	7.45	4.9	10.0
12 h after dark	5.5	5.0	6.0